Cost to Run a Oil-Filled Radiator Heater in Hawaii
Hawaii's average residential electricity rate is 52¢/kWh as of May 2026 — the 51st cheapest in the country, 183% above the U.S. average. At typical usage (8 hours/day), a oil-filled radiator heater here costs $190 per month.
Per hour
$0.78
at 700–1,500 W
Per day
$6.24
8 hours/day
Per month
$190
365 kWh
Per year
$2,278
4,380 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $3.12 | $94.85 | $1,139 |
| Typical (8 hrs/day) | $6.24 | $190 | $2,278 |
| Heavy (16 hrs/day) | $12.48 | $379 | $4,555 |
Hawaii vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a oil-filled radiator heater in Hawaii?
At Hawaii's current average residential rate of 52¢/kWh (May 2026), a oil-filled radiator heater with typical usage costs about $6.24 per day, $190 per month, or $2,278 per year.
Is running a oil-filled radiator heater in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 183% more than the U.S. average, so the same usage costs $190 per month here versus $67.12 nationally.
What does electricity cost in Hawaii right now?
Hawaii residents pay an average of 52¢ per kWh as of May 2026 — the 51st cheapest rate of the 51 U.S. jurisdictions we track.